Home / 747,288.54-1,031,280.98-425,045.07

Finding the Fourth Proportional to 747,288.54, 1,031,280.98 and 425,045.07

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Solution

The fourth proportional to 747,288.54, 1,031,280.98 and 425,045.07 is: 586,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,288.54 : 1,031,280.98 = 425,045.07 : x
  2. Step 2: Convert to fraction form
    747,288.54/1,031,280.98 = 425,045.07/x
  3. Step 3: Cross multiply
    747,288.54x = 1,031,280.98 × 425,045.07
  4. Step 4: Simplify right side
    747,288.54x = 438,340,894,208.54
  5. Step 5: Solve for x
    x = 438,340,894,208.54/747,288.54
  6. Step 6: Final answer
    x = 586,575.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.